On which days do the spring tides occur?
i. New moon
ii. First quarter of the moon
iii. Third quarter of the moon
iv. Full moon
1
i, ii, iii
2
ii, iii and iv
3
i, and iv
4
ii and iv
On which days do the spring tides occur?
i. New moon
ii. First quarter of the moon
iii. Third quarter of the moon
iv. Full moon